31012980269 has 8 divisors (see below), whose sum is σ = 33299771328. Its totient is φ = 28777577920.

The previous prime is 31012980253. The next prime is 31012980319. The reversal of 31012980269 is 96208921013.

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 31012980269 - 2⁴ = 31012980253 is a prime.

It is a super-2 number, since 2×31012980269² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31012980209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12845927 + ... + 12848340.

It is an arithmetic number, because the mean of its divisors is an integer number (4162471416).

Almost surely, 2^31012980269 is an apocalyptic number.

It is an amenable number.

31012980269 is a deficient number, since it is larger than the sum of its proper divisors (2286791059).

31012980269 is a wasteful number, since it uses less digits than its factorization.

31012980269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25694355.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 31012980269 in words is "thirty-one billion, twelve million, nine hundred eighty thousand, two hundred sixty-nine".