45031151231 has 8 divisors (see below), whose sum is σ = 49256598864. Its totient is φ = 40827654720.

The previous prime is 45031151213. The next prime is 45031151237. The reversal of 45031151231 is 13215113054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45031151231 - 2²² = 45026956927 is a prime.

It is a super-2 number, since 2×45031151231² (a number of 22 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 45031151231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45031151237) 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, 5483486 + ... + 5491691.

It is an arithmetic number, because the mean of its divisors is an integer number (6157074858).

Almost surely, 2^45031151231 is an apocalyptic number.

45031151231 is a deficient number, since it is larger than the sum of its proper divisors (4225447633).

45031151231 is a wasteful number, since it uses less digits than its factorization.

45031151231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10975561.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 45031151231 its reverse (13215113054), we get a palindrome (58246264285).

The spelling of 45031151231 in words is "forty-five billion, thirty-one million, one hundred fifty-one thousand, two hundred thirty-one".