31150000223045 has 16 divisors (see below), whose sum is σ = 41547581776512. Its totient is φ = 22227101357760.

The previous prime is 31150000223039. The next prime is 31150000223051. The reversal of 31150000223045 is 54032200005113.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31150000223039) and next prime (31150000223051).

It is not a de Polignac number, because 31150000223045 - 2¹⁰ = 31150000222021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 5343050297 + ... + 5343056126.

It is an arithmetic number, because the mean of its divisors is an integer number (2596723861032).

Almost surely, 2^{31150000223045} is an apocalyptic number.

It is an amenable number.

31150000223045 is a deficient number, since it is larger than the sum of its proper divisors (10397581553467).

31150000223045 is a wasteful number, since it uses less digits than its factorization.

31150000223045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10686106492.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 31150000223045 its reverse (54032200005113), we get a palindrome (85182200228158).

The spelling of 31150000223045 in words is "thirty-one trillion, one hundred fifty billion, two hundred twenty-three thousand, forty-five".