156431463130361 has 4 divisors (see below), whose sum is σ = 156443974657152. Its totient is φ = 156418951603572.

The previous prime is 156431463130339. The next prime is 156431463130363. The reversal of 156431463130361 is 163031364134651.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 156431463130361 - 2⁶ = 156431463130297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156431463130363) 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, 6255744641 + ... + 6255769646.

It is an arithmetic number, because the mean of its divisors is an integer number (39110993664288).

Almost surely, 2^{156431463130361} is an apocalyptic number.

It is an amenable number.

156431463130361 is a deficient number, since it is larger than the sum of its proper divisors (12511526791).

156431463130361 is a wasteful number, since it uses less digits than its factorization.

156431463130361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12511526790.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 156431463130361 in words is "one hundred fifty-six trillion, four hundred thirty-one billion, four hundred sixty-three million, one hundred thirty thousand, three hundred sixty-one".