31426473460 has 24 divisors (see below), whose sum is σ = 67530377376. Its totient is φ = 12278249760.

The previous prime is 31426473457. The next prime is 31426473509. The reversal of 31426473460 is 6437462413.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18270346 + ... + 18272065.

It is an arithmetic number, because the mean of its divisors is an integer number (2813765724).

Almost surely, 2^31426473460 is an apocalyptic number.

It is an amenable number.

31426473460 is an abundant number, since it is smaller than the sum of its proper divisors (36103903916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31426473460 is a wasteful number, since it uses less digits than its factorization.

31426473460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36542463 (or 36542461 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 31426473460 in words is "thirty-one billion, four hundred twenty-six million, four hundred seventy-three thousand, four hundred sixty".