31145035214500 has 48 divisors (see below), whose sum is σ = 69859155785328. Its totient is φ = 12121310995200.

The previous prime is 31145035214483. The next prime is 31145035214533. The reversal of 31145035214500 is 541253054113.

It can be written as a sum of positive squares in 8 ways, for example, as 7489340795556 + 23655694418944 = 2736666^2 + 4863712^2 .

It is a super-2 number, since 2×31145035214500² (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 15 ways as a sum of consecutive naturals, for example, 841739209 + ... + 841776208.

It is an arithmetic number, because the mean of its divisors is an integer number (1455399078861).

Almost surely, 2^{31145035214500} is an apocalyptic number.

It is an amenable number.

31145035214500 is an abundant number, since it is smaller than the sum of its proper divisors (38714120570828).

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

31145035214500 is a wasteful number, since it uses less digits than its factorization.

31145035214500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683515473 (or 1683515461 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 31145035214500 its reverse (541253054113), we get a palindrome (31686288268613).

The spelling of 31145035214500 in words is "thirty-one trillion, one hundred forty-five billion, thirty-five million, two hundred fourteen thousand, five hundred".