31401000269 has 2 divisors, whose sum is σ = 31401000270. Its totient is φ = 31401000268.

The previous prime is 31401000233. The next prime is 31401000307. The reversal of 31401000269 is 96200010413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16422422500 + 14978577769 = 128150^2 + 122387^2 .

It is a cyclic number.

It is not a de Polignac number, because 31401000269 - 2²⁴ = 31384223053 is a prime.

It is a super-2 number, since 2×31401000269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31401003269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15700500134 + 15700500135.

It is an arithmetic number, because the mean of its divisors is an integer number (15700500135).

Almost surely, 2^31401000269 is an apocalyptic number.

It is an amenable number.

31401000269 is a deficient number, since it is larger than the sum of its proper divisors (1).

31401000269 is an equidigital number, since it uses as much as digits as its factorization.

31401000269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 31401000269 in words is "thirty-one billion, four hundred one million, two hundred sixty-nine", and thus it is an aban number.