31133211233053 has 2 divisors, whose sum is σ = 31133211233054. Its totient is φ = 31133211233052.

The previous prime is 31133211233029. The next prime is 31133211233071. The reversal of 31133211233053 is 35033211233113.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26061157730169 + 5072053502884 = 5105013^2 + 2252122^2 .

It is a cyclic number.

It is not a de Polignac number, because 31133211233053 - 2³³ = 31124621298461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31133211633053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15566605616526 + 15566605616527.

It is an arithmetic number, because the mean of its divisors is an integer number (15566605616527).

Almost surely, 2^{31133211233053} is an apocalyptic number.

It is an amenable number.

31133211233053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31133211233053 is an equidigital number, since it uses as much as digits as its factorization.

31133211233053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 31.

Adding to 31133211233053 its reverse (35033211233113), we get a palindrome (66166422466166).

The spelling of 31133211233053 in words is "thirty-one trillion, one hundred thirty-three billion, two hundred eleven million, two hundred thirty-three thousand, fifty-three".