31413223151 has 2 divisors, whose sum is σ = 31413223152. Its totient is φ = 31413223150.

The previous prime is 31413223091. The next prime is 31413223157. The reversal of 31413223151 is 15132231413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31413223151 - 2¹⁸ = 31412961007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31413223151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31413223157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15706611575 + 15706611576.

It is an arithmetic number, because the mean of its divisors is an integer number (15706611576).

Almost surely, 2^31413223151 is an apocalyptic number.

31413223151 is a deficient number, since it is larger than the sum of its proper divisors (1).

31413223151 is an equidigital number, since it uses as much as digits as its factorization.

31413223151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

Adding to 31413223151 its reverse (15132231413), we get a palindrome (46545454564).

The spelling of 31413223151 in words is "thirty-one billion, four hundred thirteen million, two hundred twenty-three thousand, one hundred fifty-one".