31432423413 has 32 divisors (see below), whose sum is σ = 43708452480. Its totient is φ = 20078150400.

The previous prime is 31432423403. The next prime is 31432423427.

It is a happy number.

31432423413 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31432423413 - 2⁸ = 31432423157 is a prime.

It is a super-2 number, since 2×31432423413² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31432423403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1409095 + ... + 1431227.

It is an arithmetic number, because the mean of its divisors is an integer number (1365889140).

Almost surely, 2^31432423413 is an apocalyptic number.

It is an amenable number.

31432423413 is a deficient number, since it is larger than the sum of its proper divisors (12276029067).

31432423413 is a wasteful number, since it uses less digits than its factorization.

31432423413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22389.

The product of its digits is 20736, while the sum is 30.

The spelling of 31432423413 in words is "thirty-one billion, four hundred thirty-two million, four hundred twenty-three thousand, four hundred thirteen".