31361622145045 has 8 divisors (see below), whose sum is σ = 39270205120896. Its totient is φ = 23998458684816.

The previous prime is 31361622145003. The next prime is 31361622145069. The reversal of 31361622145045 is 54054122616313.

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 31361622145045 - 2⁹ = 31361622144533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31361622144992 and 31361622145010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136354878777 + ... + 136354879006.

It is an arithmetic number, because the mean of its divisors is an integer number (4908775640112).

Almost surely, 2^{31361622145045} is an apocalyptic number.

It is an amenable number.

31361622145045 is a deficient number, since it is larger than the sum of its proper divisors (7908582975851).

31361622145045 is a wasteful number, since it uses less digits than its factorization.

31361622145045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272709757811.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 31361622145045 in words is "thirty-one trillion, three hundred sixty-one billion, six hundred twenty-two million, one hundred forty-five thousand, forty-five".