31021400674 has 16 divisors (see below), whose sum is σ = 51042753216. Its totient is φ = 14022730800.

The previous prime is 31021400629. The next prime is 31021400677. The reversal of 31021400674 is 47600412013.

It is not an unprimeable number, because it can be changed into a prime (31021400677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3891222 + ... + 3899185.

It is an arithmetic number, because the mean of its divisors is an integer number (3190172076).

Almost surely, 2^31021400674 is an apocalyptic number.

31021400674 is a deficient number, since it is larger than the sum of its proper divisors (20021352542).

31021400674 is a wasteful number, since it uses less digits than its factorization.

31021400674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7790601.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 31021400674 its reverse (47600412013), we get a palindrome (78621812687).

The spelling of 31021400674 in words is "thirty-one billion, twenty-one million, four hundred thousand, six hundred seventy-four".