31000253012051 has 2 divisors, whose sum is σ = 31000253012052. Its totient is φ = 31000253012050.

The previous prime is 31000253012011. The next prime is 31000253012081. The reversal of 31000253012051 is 15021035200013.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31000253012051 - 2¹⁰ = 31000253011027 is a prime.

It is a super-2 number, since 2×31000253012051² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31000253012011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15500126506025 + 15500126506026.

It is an arithmetic number, because the mean of its divisors is an integer number (15500126506026).

Almost surely, 2^{31000253012051} is an apocalyptic number.

31000253012051 is a deficient number, since it is larger than the sum of its proper divisors (1).

31000253012051 is an equidigital number, since it uses as much as digits as its factorization.

31000253012051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 31000253012051 its reverse (15021035200013), we get a palindrome (46021288212064).

The spelling of 31000253012051 in words is "thirty-one trillion, two hundred fifty-three million, twelve thousand, fifty-one".