31153040642104 has 8 divisors (see below), whose sum is σ = 58411951203960. Its totient is φ = 15576520321048.

The previous prime is 31153040642099. The next prime is 31153040642107. The reversal of 31153040642104 is 40124604035113.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 31153040642104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31153040642107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1947065040124 + ... + 1947065040139.

It is an arithmetic number, because the mean of its divisors is an integer number (7301493900495).

Almost surely, 2^{31153040642104} is an apocalyptic number.

It is an amenable number.

31153040642104 is a deficient number, since it is larger than the sum of its proper divisors (27258910561856).

31153040642104 is a wasteful number, since it uses less digits than its factorization.

31153040642104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894130080269 (or 3894130080265 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 31153040642104 its reverse (40124604035113), we get a palindrome (71277644677217).

The spelling of 31153040642104 in words is "thirty-one trillion, one hundred fifty-three billion, forty million, six hundred forty-two thousand, one hundred four".