31354420426 has 16 divisors (see below), whose sum is σ = 56579405760. Its totient is φ = 12730366080.

The previous prime is 31354420417. The next prime is 31354420459. The reversal of 31354420426 is 62402445313.

It is a junction number, because it is equal to n+sod(n) for n = 31354420391 and 31354420400.

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, 58936615 + ... + 58937146.

It is an arithmetic number, because the mean of its divisors is an integer number (3536212860).

Almost surely, 2^31354420426 is an apocalyptic number.

31354420426 is a deficient number, since it is larger than the sum of its proper divisors (25224985334).

31354420426 is a wasteful number, since it uses less digits than its factorization.

31354420426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117873789.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 31354420426 its reverse (62402445313), we get a palindrome (93756865739).

The spelling of 31354420426 in words is "thirty-one billion, three hundred fifty-four million, four hundred twenty thousand, four hundred twenty-six".