31311241042 has 16 divisors (see below), whose sum is σ = 47422439064. Its totient is φ = 15504480000.

The previous prime is 31311240997. The next prime is 31311241057. The reversal of 31311241042 is 24014211313.

It can be written as a sum of positive squares in 4 ways, for example, as 29756595001 + 1554646041 = 172501^2 + 39429^2 .

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, 92209 + ... + 266692.

Almost surely, 2^31311241042 is an apocalyptic number.

31311241042 is a deficient number, since it is larger than the sum of its proper divisors (16111198022).

31311241042 is a wasteful number, since it uses less digits than its factorization.

31311241042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359325.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31311241042 its reverse (24014211313), we get a palindrome (55325452355).

The spelling of 31311241042 in words is "thirty-one billion, three hundred eleven million, two hundred forty-one thousand, forty-two".