31047304426 has 16 divisors (see below), whose sum is σ = 49077380160. Its totient is φ = 14690021760.

The previous prime is 31047304373. The next prime is 31047304427. The reversal of 31047304426 is 62440374013.

It is a super-2 number, since 2×31047304426² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31047304391 and 31047304400.

It is not an unprimeable number, because it can be changed into a prime (31047304427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426855 + ... + 494266.

It is an arithmetic number, because the mean of its divisors is an integer number (3067336260).

Almost surely, 2^31047304426 is an apocalyptic number.

31047304426 is a deficient number, since it is larger than the sum of its proper divisors (18030075734).

31047304426 is a wasteful number, since it uses less digits than its factorization.

31047304426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922029.

The product of its (nonzero) digits is 48384, while the sum is 34.

Adding to 31047304426 its reverse (62440374013), we get a palindrome (93487678439).

The spelling of 31047304426 in words is "thirty-one billion, forty-seven million, three hundred four thousand, four hundred twenty-six".