151123683431 has 4 divisors (see below), whose sum is σ = 172712781072. Its totient is φ = 129534585792.

The previous prime is 151123683407. The next prime is 151123683433. The reversal of 151123683431 is 134386321151.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134386321151 = 2833 ⋅47436047.

It is a cyclic number.

It is not a de Polignac number, because 151123683431 - 2³⁴ = 133943814247 is a prime.

It is a super-2 number, since 2×151123683431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151123683433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10794548810 + ... + 10794548823.

It is an arithmetic number, because the mean of its divisors is an integer number (43178195268).

Almost surely, 2^151123683431 is an apocalyptic number.

151123683431 is a deficient number, since it is larger than the sum of its proper divisors (21589097641).

151123683431 is an equidigital number, since it uses as much as digits as its factorization.

151123683431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21589097640.

The product of its digits is 51840, while the sum is 38.

The spelling of 151123683431 in words is "one hundred fifty-one billion, one hundred twenty-three million, six hundred eighty-three thousand, four hundred thirty-one".