31332013144442 has 64 divisors (see below), whose sum is σ = 48696032355840. Its totient is φ = 15108262041600.

The previous prime is 31332013144387. The next prime is 31332013144483. The reversal of 31332013144442 is 24444131023313.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3586125098 + ... + 3586133834.

It is an arithmetic number, because the mean of its divisors is an integer number (760875505560).

Almost surely, 2^{31332013144442} is an apocalyptic number.

31332013144442 is a deficient number, since it is larger than the sum of its proper divisors (17364019211398).

31332013144442 is a wasteful number, since it uses less digits than its factorization.

31332013144442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9927.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 31332013144442 its reverse (24444131023313), we get a palindrome (55776144167755).

The spelling of 31332013144442 in words is "thirty-one trillion, three hundred thirty-two billion, thirteen million, one hundred forty-four thousand, four hundred forty-two".