31213031202053 has 2 divisors, whose sum is σ = 31213031202054. Its totient is φ = 31213031202052.

The previous prime is 31213031202047. The next prime is 31213031202061. The reversal of 31213031202053 is 35020213031213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24273821361409 + 6939209840644 = 4926847^2 + 2634238^2 .

It is a cyclic number.

It is not a de Polignac number, because 31213031202053 - 2²⁰ = 31213030153477 is a prime.

It is a super-2 number, since 2×31213031202053² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31213031222053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15606515601026 + 15606515601027.

It is an arithmetic number, because the mean of its divisors is an integer number (15606515601027).

Almost surely, 2^{31213031202053} is an apocalyptic number.

It is an amenable number.

31213031202053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31213031202053 is an equidigital number, since it uses as much as digits as its factorization.

31213031202053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 31213031202053 its reverse (35020213031213), we get a palindrome (66233244233266).

The spelling of 31213031202053 in words is "thirty-one trillion, two hundred thirteen billion, thirty-one million, two hundred two thousand, fifty-three".