31414538469 has 4 divisors (see below), whose sum is σ = 41886051296. Its totient is φ = 20943025644.

The previous prime is 31414538461. The next prime is 31414538471. The reversal of 31414538469 is 96483541413.

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.

It is not a de Polignac number, because 31414538469 - 2³ = 31414538461 is a prime.

It is a super-2 number, since 2×31414538469² (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 (31414538461) 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, 5235756409 + ... + 5235756414.

It is an arithmetic number, because the mean of its divisors is an integer number (10471512824).

Almost surely, 2^31414538469 is an apocalyptic number.

It is an amenable number.

31414538469 is a deficient number, since it is larger than the sum of its proper divisors (10471512827).

31414538469 is a wasteful number, since it uses less digits than its factorization.

31414538469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10471512826.

The product of its digits is 1244160, while the sum is 48.

The spelling of 31414538469 in words is "thirty-one billion, four hundred fourteen million, five hundred thirty-eight thousand, four hundred sixty-nine".