31303040211042 has 64 divisors (see below), whose sum is σ = 62936141184000. Its totient is φ = 10379499451200.

The previous prime is 31303040211031. The next prime is 31303040211067. The reversal of 31303040211042 is 24011204030313.

It is a happy number.

It is a super-2 number, since 2×31303040211042² (a number of 28 digits) contains 22 as substring.

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, 5089094667 + ... + 5089100817.

It is an arithmetic number, because the mean of its divisors is an integer number (983377206000).

Almost surely, 2^{31303040211042} is an apocalyptic number.

31303040211042 is an abundant number, since it is smaller than the sum of its proper divisors (31633100972958).

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

31303040211042 is a wasteful number, since it uses less digits than its factorization.

31303040211042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12071.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31303040211042 its reverse (24011204030313), we get a palindrome (55314244241355).

The spelling of 31303040211042 in words is "thirty-one trillion, three hundred three billion, forty million, two hundred eleven thousand, forty-two".