31402157413 has 32 divisors (see below), whose sum is σ = 36341913600. Its totient is φ = 26834140800.

The previous prime is 31402157401. The next prime is 31402157429. The reversal of 31402157413 is 31475120413.

It is not a de Polignac number, because 31402157413 - 2⁹ = 31402156901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31402152413) 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, 28469220 + ... + 28470322.

It is an arithmetic number, because the mean of its divisors is an integer number (1135684800).

Almost surely, 2^31402157413 is an apocalyptic number.

It is an amenable number.

31402157413 is a deficient number, since it is larger than the sum of its proper divisors (4939756187).

31402157413 is a wasteful number, since it uses less digits than its factorization.

31402157413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073.

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 31402157413 its reverse (31475120413), we get a palindrome (62877277826).

The spelling of 31402157413 in words is "thirty-one billion, four hundred two million, one hundred fifty-seven thousand, four hundred thirteen".