31134402430 has 16 divisors (see below), whose sum is σ = 56046494880. Its totient is φ = 12452745312.

The previous prime is 31134402373. The next prime is 31134402449. The reversal of 31134402430 is 3420443113.

It is a junction number, because it is equal to n+sod(n) for n = 31134402395 and 31134402404.

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, 8692 + ... + 249688.

It is an arithmetic number, because the mean of its divisors is an integer number (3502905930).

Almost surely, 2^31134402430 is an apocalyptic number.

31134402430 is a deficient number, since it is larger than the sum of its proper divisors (24912092450).

31134402430 is a wasteful number, since it uses less digits than its factorization.

31134402430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253923.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31134402430 its reverse (3420443113), we get a palindrome (34554845543).

The spelling of 31134402430 in words is "thirty-one billion, one hundred thirty-four million, four hundred two thousand, four hundred thirty".