31234122426 has 16 divisors (see below), whose sum is σ = 67273494624. Its totient is φ = 9610499184.

The previous prime is 31234122371. The next prime is 31234122449. The reversal of 31234122426 is 62422143213.

It is a super-2 number, since 2×31234122426² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31234122393 and 31234122402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200218656 + ... + 200218811.

It is an arithmetic number, because the mean of its divisors is an integer number (4204593414).

Almost surely, 2^31234122426 is an apocalyptic number.

31234122426 is an abundant number, since it is smaller than the sum of its proper divisors (36039372198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31234122426 is a wasteful number, since it uses less digits than its factorization.

31234122426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400437485.

The product of its digits is 13824, while the sum is 30.

Adding to 31234122426 its reverse (62422143213), we get a palindrome (93656265639).

The spelling of 31234122426 in words is "thirty-one billion, two hundred thirty-four million, one hundred twenty-two thousand, four hundred twenty-six".