31445045357 has 8 divisors (see below), whose sum is σ = 34334969472. Its totient is φ = 28560335200.

The previous prime is 31445045311. The next prime is 31445045369. The reversal of 31445045357 is 75354054413.

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 31445045357 - 2¹⁸ = 31444783213 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 (31445045557) 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, 1290869 + ... + 1315002.

It is an arithmetic number, because the mean of its divisors is an integer number (4291871184).

Almost surely, 2^31445045357 is an apocalyptic number.

It is an amenable number.

31445045357 is a deficient number, since it is larger than the sum of its proper divisors (2889924115).

31445045357 is a wasteful number, since it uses less digits than its factorization.

31445045357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606979.

The product of its (nonzero) digits is 504000, while the sum is 41.

The spelling of 31445045357 in words is "thirty-one billion, four hundred forty-five million, forty-five thousand, three hundred fifty-seven".