31303790053 has 8 divisors (see below), whose sum is σ = 31703673600. Its totient is φ = 30903997488.

The previous prime is 31303790047. The next prime is 31303790057. The reversal of 31303790053 is 35009730313.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31303790053 is a prime.

It is a super-4 number, since 4×31303790053⁴ (a number of 43 digits) contains 4444 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 (31303790057) 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, 914043 + ... + 947671.

It is an arithmetic number, because the mean of its divisors is an integer number (3962959200).

Almost surely, 2^31303790053 is an apocalyptic number.

It is an amenable number.

31303790053 is a deficient number, since it is larger than the sum of its proper divisors (399883547).

31303790053 is a wasteful number, since it uses less digits than its factorization.

31303790053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45491.

The product of its (nonzero) digits is 25515, while the sum is 34.

The spelling of 31303790053 in words is "thirty-one billion, three hundred three million, seven hundred ninety thousand, fifty-three".