101031513 has 8 divisors (see below), whose sum is σ = 146954976. Its totient is φ = 61231200.

The previous prime is 101031499. The next prime is 101031517. The reversal of 101031513 is 315130101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101031513 - 2²⁰ = 99982937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101031492 and 101031501.

It is not an unprimeable number, because it can be changed into a prime (101031517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1530748 + ... + 1530813.

It is an arithmetic number, because the mean of its divisors is an integer number (18369372).

Almost surely, 2^101031513 is an apocalyptic number.

It is an amenable number.

101031513 is a deficient number, since it is larger than the sum of its proper divisors (45923463).

101031513 is a wasteful number, since it uses less digits than its factorization.

101031513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061575.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 101031513 is about 10051.4433291941. The cubic root of 101031513 is about 465.7493801798.

Adding to 101031513 its reverse (315130101), we get a palindrome (416161614).

It can be divided in two parts, 1010 and 31513, that added together give a palindrome (32523).

The spelling of 101031513 in words is "one hundred one million, thirty-one thousand, five hundred thirteen".