31593902061 has 16 divisors (see below), whose sum is σ = 43506219008. Its totient is φ = 20372785200.

The previous prime is 31593902051. The next prime is 31593902077. The reversal of 31593902061 is 16020939513.

It is not a de Polignac number, because 31593902061 - 2¹³ = 31593893869 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 (31593902051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99306 + ... + 270276.

It is an arithmetic number, because the mean of its divisors is an integer number (2719138688).

Almost surely, 2^31593902061 is an apocalyptic number.

31593902061 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31593902061 is a deficient number, since it is larger than the sum of its proper divisors (11912316947).

31593902061 is a wasteful number, since it uses less digits than its factorization.

31593902061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172992.

The product of its (nonzero) digits is 43740, while the sum is 39.

The spelling of 31593902061 in words is "thirty-one billion, five hundred ninety-three million, nine hundred two thousand, sixty-one".