77100231031 has 8 divisors (see below), whose sum is σ = 77248627200. Its totient is φ = 76951956312.

The previous prime is 77100231023. The next prime is 77100231041. The reversal of 77100231031 is 13013200177.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77100231031 - 2³ = 77100231023 is a prime.

It is a super-2 number, since 2×77100231031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77100230987 and 77100231005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77100231041) 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 in 7 ways as a sum of consecutive naturals, for example, 1295670 + ... + 1353868.

It is an arithmetic number, because the mean of its divisors is an integer number (9656078400).

Almost surely, 2^77100231031 is an apocalyptic number.

77100231031 is a deficient number, since it is larger than the sum of its proper divisors (148396169).

77100231031 is a wasteful number, since it uses less digits than its factorization.

77100231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60725.

The product of its (nonzero) digits is 882, while the sum is 25.

The spelling of 77100231031 in words is "seventy-seven billion, one hundred million, two hundred thirty-one thousand, thirty-one".