31357620949459 has 8 divisors (see below), whose sum is σ = 35855444953440. Its totient is φ = 26864337912576.

The previous prime is 31357620949427. The next prime is 31357620949469. The reversal of 31357620949459 is 95494902675313.

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 31357620949459 - 2⁵ = 31357620949427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31357620949394 and 31357620949403.

It is not an unprimeable number, because it can be changed into a prime (31357620949469) 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, 1135226974 + ... + 1135254595.

It is an arithmetic number, because the mean of its divisors is an integer number (4481930619180).

Almost surely, 2^{31357620949459} is an apocalyptic number.

31357620949459 is a deficient number, since it is larger than the sum of its proper divisors (4497824003981).

31357620949459 is a wasteful number, since it uses less digits than its factorization.

31357620949459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270483549.

The product of its (nonzero) digits is 220449600, while the sum is 67.

The spelling of 31357620949459 in words is "thirty-one trillion, three hundred fifty-seven billion, six hundred twenty million, nine hundred forty-nine thousand, four hundred fifty-nine".