61907411231 has 2 divisors, whose sum is σ = 61907411232. Its totient is φ = 61907411230.

The previous prime is 61907411227. The next prime is 61907411347. The reversal of 61907411231 is 13211470916.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61907411231 - 2² = 61907411227 is a prime.

It is a super-2 number, since 2×61907411231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61907411191 and 61907411200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61907411131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30953705615 + 30953705616.

It is an arithmetic number, because the mean of its divisors is an integer number (30953705616).

Almost surely, 2^61907411231 is an apocalyptic number.

61907411231 is a deficient number, since it is larger than the sum of its proper divisors (1).

61907411231 is an equidigital number, since it uses as much as digits as its factorization.

61907411231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 61907411231 in words is "sixty-one billion, nine hundred seven million, four hundred eleven thousand, two hundred thirty-one".