31254452030 has 32 divisors (see below), whose sum is σ = 58207776768. Its totient is φ = 12070375200.

The previous prime is 31254452011. The next prime is 31254452041. The reversal of 31254452030 is 3025445213.

It is a happy number.

It is a super-2 number, since 2×31254452030² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31254451984 and 31254452002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16649 + ... + 250571.

It is an arithmetic number, because the mean of its divisors is an integer number (1818993024).

Almost surely, 2^31254452030 is an apocalyptic number.

31254452030 is a deficient number, since it is larger than the sum of its proper divisors (26953324738).

31254452030 is a wasteful number, since it uses less digits than its factorization.

31254452030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234392.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 31254452030 its reverse (3025445213), we get a palindrome (34279897243).

The spelling of 31254452030 in words is "thirty-one billion, two hundred fifty-four million, four hundred fifty-two thousand, thirty".