101431740 has 24 divisors (see below), whose sum is σ = 284009040. Its totient is φ = 27048448.

The previous prime is 101431703. The next prime is 101431751. The reversal of 101431740 is 47134101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845205 + ... + 845324.

It is an arithmetic number, because the mean of its divisors is an integer number (11833710).

Almost surely, 2^101431740 is an apocalyptic number.

101431740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101431740 is an abundant number, since it is smaller than the sum of its proper divisors (182577300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101431740 is a wasteful number, since it uses less digits than its factorization.

101431740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690541 (or 1690539 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 101431740 is about 10071.3325831292. The cubic root of 101431740 is about 466.3635775697.

Adding to 101431740 its reverse (47134101), we get a palindrome (148565841).

The spelling of 101431740 in words is "one hundred one million, four hundred thirty-one thousand, seven hundred forty".