31400542601 has 2 divisors, whose sum is σ = 31400542602. Its totient is φ = 31400542600.

The previous prime is 31400542577. The next prime is 31400542627. The reversal of 31400542601 is 10624500413.

It is an a-pointer prime, because the next prime (31400542627) can be obtained adding 31400542601 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29523486976 + 1877055625 = 171824^2 + 43325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31400542601 is a prime.

It is not a weakly prime, because it can be changed into another prime (31400742601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15700271300 + 15700271301.

It is an arithmetic number, because the mean of its divisors is an integer number (15700271301).

Almost surely, 2^31400542601 is an apocalyptic number.

It is an amenable number.

31400542601 is a deficient number, since it is larger than the sum of its proper divisors (1).

31400542601 is an equidigital number, since it uses as much as digits as its factorization.

31400542601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 31400542601 in words is "thirty-one billion, four hundred million, five hundred forty-two thousand, six hundred one".