31994646077102 has 16 divisors (see below), whose sum is σ = 49964241827472. Its totient is φ = 15351744283200.

The previous prime is 31994646077101. The next prime is 31994646077161. The reversal of 31994646077102 is 20177064649913.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31994646077101) 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, 2961365024 + ... + 2961375827.

It is an arithmetic number, because the mean of its divisors is an integer number (3122765114217).

Almost surely, 2^{31994646077102} is an apocalyptic number.

31994646077102 is a deficient number, since it is larger than the sum of its proper divisors (17969595750370).

31994646077102 is a wasteful number, since it uses less digits than its factorization.

31994646077102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5922740963.

The product of its (nonzero) digits is 13716864, while the sum is 59.

The spelling of 31994646077102 in words is "thirty-one trillion, nine hundred ninety-four billion, six hundred forty-six million, seventy-seven thousand, one hundred two".