1631131311359 has 8 divisors (see below), whose sum is σ = 1779435685200. Its totient is φ = 1482830222400.

The previous prime is 1631131311349. The next prime is 1631131311377. The reversal of 1631131311359 is 9531131311361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1631131311359 - 2³⁶ = 1562411834623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1631131311319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281417 + ... + 1827965.

It is an arithmetic number, because the mean of its divisors is an integer number (222429460650).

Almost surely, 2^{1631131311359} is an apocalyptic number.

1631131311359 is a deficient number, since it is larger than the sum of its proper divisors (148304373841).

1631131311359 is a wasteful number, since it uses less digits than its factorization.

1631131311359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642441.

The product of its digits is 21870, while the sum is 38.

The spelling of 1631131311359 in words is "one trillion, six hundred thirty-one billion, one hundred thirty-one million, three hundred eleven thousand, three hundred fifty-nine".