31300123051 has 2 divisors, whose sum is σ = 31300123052. Its totient is φ = 31300123050.

The previous prime is 31300123021. The next prime is 31300123067. The reversal of 31300123051 is 15032100313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31300123051 - 2¹¹ = 31300121003 is a prime.

It is not a weakly prime, because it can be changed into another prime (31300123021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15650061525 + 15650061526.

It is an arithmetic number, because the mean of its divisors is an integer number (15650061526).

Almost surely, 2^31300123051 is an apocalyptic number.

31300123051 is a deficient number, since it is larger than the sum of its proper divisors (1).

31300123051 is an equidigital number, since it uses as much as digits as its factorization.

31300123051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 19.

Adding to 31300123051 its reverse (15032100313), we get a palindrome (46332223364).

The spelling of 31300123051 in words is "thirty-one billion, three hundred million, one hundred twenty-three thousand, fifty-one".