31116634277 has 4 divisors (see below), whose sum is σ = 31119160320. Its totient is φ = 31114108236.

The previous prime is 31116634261. The next prime is 31116634291. The reversal of 31116634277 is 77243661113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77243661113 = 65033 ⋅1187761.

It is a cyclic number.

It is not a de Polignac number, because 31116634277 - 2⁴ = 31116634261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31116634207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244453 + ... + 1269210.

It is an arithmetic number, because the mean of its divisors is an integer number (7779790080).

Almost surely, 2^31116634277 is an apocalyptic number.

It is an amenable number.

31116634277 is a deficient number, since it is larger than the sum of its proper divisors (2526043).

31116634277 is a wasteful number, since it uses less digits than its factorization.

31116634277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526042.

The product of its digits is 127008, while the sum is 41.

The spelling of 31116634277 in words is "thirty-one billion, one hundred sixteen million, six hundred thirty-four thousand, two hundred seventy-seven".