31013500104150 has 48 divisors (see below), whose sum is σ = 77033097107904. Its totient is φ = 8257404667680.

The previous prime is 31013500104137. The next prime is 31013500104179. The reversal of 31013500104150 is 5140100531013.

It is a super-2 number, since 2×31013500104150² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31013500104150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160678564 + ... + 160871463.

It is an arithmetic number, because the mean of its divisors is an integer number (1604856189748).

Almost surely, 2^{31013500104150} is an apocalyptic number.

31013500104150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31013500104150 is an abundant number, since it is smaller than the sum of its proper divisors (46019597003754).

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

31013500104150 is a wasteful number, since it uses less digits than its factorization.

31013500104150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321550685 (or 321550680 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 31013500104150 its reverse (5140100531013), we get a palindrome (36153600635163).

The spelling of 31013500104150 in words is "thirty-one trillion, thirteen billion, five hundred million, one hundred four thousand, one hundred fifty".