31357706642983 has 32 divisors (see below), whose sum is σ = 38250716479488. Its totient is φ = 25093536652800.

The previous prime is 31357706642957. The next prime is 31357706643007. The reversal of 31357706642983 is 38924660775313.

It is a de Polignac number, because none of the positive numbers 2^k-31357706642983 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 (31357706642903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90671653 + ... + 91016833.

It is an arithmetic number, because the mean of its divisors is an integer number (1195334889984).

It is a 1-persistent number, because it is pandigital, but 2⋅31357706642983 = 62715413285966 is not.

Almost surely, 2^{31357706642983} is an apocalyptic number.

31357706642983 is a deficient number, since it is larger than the sum of its proper divisors (6893009836505).

31357706642983 is a wasteful number, since it uses less digits than its factorization.

31357706642983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351343.

The product of its (nonzero) digits is 137168640, while the sum is 64.

The spelling of 31357706642983 in words is "thirty-one trillion, three hundred fifty-seven billion, seven hundred six million, six hundred forty-two thousand, nine hundred eighty-three".