31145414552033 has 4 divisors (see below), whose sum is σ = 31251712895508. Its totient is φ = 31039116208560.

The previous prime is 31145414551987. The next prime is 31145414552051. The reversal of 31145414552033 is 33025541454113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18041825419489 + 13103589132544 = 4247567^2 + 3619888^2 .

It is a cyclic number.

It is not a de Polignac number, because 31145414552033 - 2²⁴ = 31145397774817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31145414552933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53149171298 + ... + 53149171883.

It is an arithmetic number, because the mean of its divisors is an integer number (7812928223877).

Almost surely, 2^{31145414552033} is an apocalyptic number.

It is an amenable number.

31145414552033 is a deficient number, since it is larger than the sum of its proper divisors (106298343475).

31145414552033 is a wasteful number, since it uses less digits than its factorization.

31145414552033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106298343474.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 31145414552033 in words is "thirty-one trillion, one hundred forty-five billion, four hundred fourteen million, five hundred fifty-two thousand, thirty-three".