31425512230087 has 2 divisors, whose sum is σ = 31425512230088. Its totient is φ = 31425512230086.

The previous prime is 31425512230033. The next prime is 31425512230093. The reversal of 31425512230087 is 78003221552413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31425512230087 - 2¹⁵ = 31425512197319 is a prime.

It is a super-2 number, since 2×31425512230087² (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 (31425512230487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15712756115043 + 15712756115044.

It is an arithmetic number, because the mean of its divisors is an integer number (15712756115044).

Almost surely, 2^{31425512230087} is an apocalyptic number.

31425512230087 is a deficient number, since it is larger than the sum of its proper divisors (1).

31425512230087 is an equidigital number, since it uses as much as digits as its factorization.

31425512230087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 31425512230087 in words is "thirty-one trillion, four hundred twenty-five billion, five hundred twelve million, two hundred thirty thousand, eighty-seven".