31460471903146 has 48 divisors (see below), whose sum is σ = 55985252085000. Its totient is φ = 13170798305280.

The previous prime is 31460471903143. The next prime is 31460471903213. The reversal of 31460471903146 is 64130917406413.

It can be written as a sum of positive squares in 4 ways, for example, as 20280710634921 + 11179761268225 = 4503411^2 + 3343615^2 .

It is a super-2 number, since 2×31460471903146² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31460471903146.

It is not an unprimeable number, because it can be changed into a prime (31460471903143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9723471 + ... + 12548578.

Almost surely, 2^{31460471903146} is an apocalyptic number.

31460471903146 is a deficient number, since it is larger than the sum of its proper divisors (24524780181854).

31460471903146 is a wasteful number, since it uses less digits than its factorization.

31460471903146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22272535 (or 22272524 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 31460471903146 in words is "thirty-one trillion, four hundred sixty billion, four hundred seventy-one million, nine hundred three thousand, one hundred forty-six".