31052015011133 has 4 divisors (see below), whose sum is σ = 31275410802720. Its totient is φ = 30828619219548.

The previous prime is 31052015011091. The next prime is 31052015011139. The reversal of 31052015011133 is 33111051025013.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31052015011133 is a prime.

It is a super-2 number, since 2×31052015011133² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31052015011139) 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, 111697895585 + ... + 111697895862.

It is an arithmetic number, because the mean of its divisors is an integer number (7818852700680).

Almost surely, 2^{31052015011133} is an apocalyptic number.

It is an amenable number.

31052015011133 is a deficient number, since it is larger than the sum of its proper divisors (223395791587).

31052015011133 is a wasteful number, since it uses less digits than its factorization.

31052015011133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223395791586.

The product of its (nonzero) digits is 1350, while the sum is 26.

Adding to 31052015011133 its reverse (33111051025013), we get a palindrome (64163066036146).

The spelling of 31052015011133 in words is "thirty-one trillion, fifty-two billion, fifteen million, eleven thousand, one hundred thirty-three".