151231152031 has 2 divisors, whose sum is σ = 151231152032. Its totient is φ = 151231152030.

The previous prime is 151231152013. The next prime is 151231152043. The reversal of 151231152031 is 130251132151.

Together with previous prime (151231152013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151231152031 - 2²⁵ = 151197597599 is a prime.

It is a super-2 number, since 2×151231152031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151231151987 and 151231152005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151234152031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75615576015 + 75615576016.

It is an arithmetic number, because the mean of its divisors is an integer number (75615576016).

Almost surely, 2^151231152031 is an apocalyptic number.

151231152031 is a deficient number, since it is larger than the sum of its proper divisors (1).

151231152031 is an equidigital number, since it uses as much as digits as its factorization.

151231152031 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 25.

Adding to 151231152031 its reverse (130251132151), we get a palindrome (281482284182).

The spelling of 151231152031 in words is "one hundred fifty-one billion, two hundred thirty-one million, one hundred fifty-two thousand, thirty-one".