31001322053 has 16 divisors (see below), whose sum is σ = 34493773440. Its totient is φ = 27676385856.

The previous prime is 31001321999. The next prime is 31001322113. The reversal of 31001322053 is 35022310013.

It is a cyclic number.

It is not a de Polignac number, because 31001322053 - 2¹² = 31001317957 is a prime.

It is a super-2 number, since 2×31001322053² (a number of 22 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 (31001322853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112643 + ... + 273296.

It is an arithmetic number, because the mean of its divisors is an integer number (2155860840).

Almost surely, 2^31001322053 is an apocalyptic number.

It is an amenable number.

31001322053 is a deficient number, since it is larger than the sum of its proper divisors (3492451387).

31001322053 is a wasteful number, since it uses less digits than its factorization.

31001322053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386156.

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 31001322053 its reverse (35022310013), we get a palindrome (66023632066).

The spelling of 31001322053 in words is "thirty-one billion, one million, three hundred twenty-two thousand, fifty-three".