1020311401 has 4 divisors (see below), whose sum is σ = 1053224704. Its totient is φ = 987398100.

The previous prime is 1020311333. The next prime is 1020311417. The reversal of 1020311401 is 1041130201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1020311401 - 2⁷ = 1020311273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020311431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16456605 + ... + 16456666.

It is an arithmetic number, because the mean of its divisors is an integer number (263306176).

Almost surely, 2^1020311401 is an apocalyptic number.

It is an amenable number.

1020311401 is a deficient number, since it is larger than the sum of its proper divisors (32913303).

1020311401 is an equidigital number, since it uses as much as digits as its factorization.

1020311401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32913302.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1020311401 is about 31942.3136450696. The cubic root of 1020311401 is about 1006.7251381301.

Adding to 1020311401 its reverse (1041130201), we get a palindrome (2061441602).

The spelling of 1020311401 in words is "one billion, twenty million, three hundred eleven thousand, four hundred one".