31283461158244 has 45 divisors (see below), whose sum is σ = 55521210464797. Its totient is φ = 15423345568832.

The previous prime is 31283461158233. The next prime is 31283461158247. The reversal of 31283461158244 is 44285116438213.

The square root of 31283461158244 is 5593162.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 23423063908644 + 7860397249600 = 4839738^2 + 2803640^2 .

It is a super-2 number, since 2×31283461158244² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

Its product of digits (4423680) is a multiple of the sum of its prime divisors (288).

It is a junction number, because it is equal to n+sod(n) for n = 31283461158191 and 31283461158200.

It is not an unprimeable number, because it can be changed into a prime (31283461158247) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 209956115082 + ... + 209956115230.

Almost surely, 2^{31283461158244} is an apocalyptic number.

31283461158244 is the 5593162-nd square number.

It is an amenable number.

31283461158244 is a deficient number, since it is larger than the sum of its proper divisors (24237749306553).

31283461158244 is an frugal number, since it uses more digits than its factorization.

31283461158244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 288 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 52.

The spelling of 31283461158244 in words is "thirty-one trillion, two hundred eighty-three billion, four hundred sixty-one million, one hundred fifty-eight thousand, two hundred forty-four".