31002430425401 has 4 divisors (see below), whose sum is σ = 31003589985012. Its totient is φ = 31001270865792.

The previous prime is 31002430425391. The next prime is 31002430425409. The reversal of 31002430425401 is 10452403420013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21157746060025 + 9844684365376 = 4599755^2 + 3137624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31002430425401 is a prime.

It is a super-2 number, since 2×31002430425401² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31002430425409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579739700 + ... + 579793173.

It is an arithmetic number, because the mean of its divisors is an integer number (7750897496253).

Almost surely, 2^{31002430425401} is an apocalyptic number.

It is an amenable number.

31002430425401 is a deficient number, since it is larger than the sum of its proper divisors (1159559611).

31002430425401 is a wasteful number, since it uses less digits than its factorization.

31002430425401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159559610.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 31002430425401 its reverse (10452403420013), we get a palindrome (41454833845414).

The spelling of 31002430425401 in words is "thirty-one trillion, two billion, four hundred thirty million, four hundred twenty-five thousand, four hundred one".