31350113513 has 8 divisors (see below), whose sum is σ = 32821891200. Its totient is φ = 29904385168.

The previous prime is 31350113489. The next prime is 31350113519. The reversal of 31350113513 is 31531105313.

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 31350113513 - 2³⁰ = 30276371689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31350113519) 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, 6509873 + ... + 6514686.

It is an arithmetic number, because the mean of its divisors is an integer number (4102736400).

Almost surely, 2^31350113513 is an apocalyptic number.

It is an amenable number.

31350113513 is a deficient number, since it is larger than the sum of its proper divisors (1471777687).

31350113513 is a wasteful number, since it uses less digits than its factorization.

31350113513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13024671.

The product of its (nonzero) digits is 2025, while the sum is 26.

Adding to 31350113513 its reverse (31531105313), we get a palindrome (62881218826).

The spelling of 31350113513 in words is "thirty-one billion, three hundred fifty million, one hundred thirteen thousand, five hundred thirteen".