31013131203034 has 16 divisors (see below), whose sum is σ = 48124572162120. Its totient is φ = 14971623768640.

The previous prime is 31013131203011. The next prime is 31013131203037. The reversal of 31013131203034 is 43030213131013.

It can be written as a sum of positive squares in 4 ways, for example, as 22532822265625 + 8480308937409 = 4746875^2 + 2912097^2 .

It is a super-2 number, since 2×31013131203034² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31013131203037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360997 + ... + 7883944.

Almost surely, 2^{31013131203034} is an apocalyptic number.

31013131203034 is a deficient number, since it is larger than the sum of its proper divisors (17111440959086).

31013131203034 is a wasteful number, since it uses less digits than its factorization.

31013131203034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8309825.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31013131203034 its reverse (43030213131013), we get a palindrome (74043344334047).

The spelling of 31013131203034 in words is "thirty-one trillion, thirteen billion, one hundred thirty-one million, two hundred three thousand, thirty-four".