31377453461 has 8 divisors (see below), whose sum is σ = 34464937920. Its totient is φ = 28433572992.

The previous prime is 31377453449. The next prime is 31377453487. The reversal of 31377453461 is 16435477313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31377453461 - 2²² = 31373259157 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 (31377453491) 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, 35900540 + ... + 35901413.

It is an arithmetic number, because the mean of its divisors is an integer number (4308117240).

Almost surely, 2^31377453461 is an apocalyptic number.

It is an amenable number.

31377453461 is a deficient number, since it is larger than the sum of its proper divisors (3087484459).

31377453461 is a wasteful number, since it uses less digits than its factorization.

31377453461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71801995.

The product of its digits is 635040, while the sum is 44.

The spelling of 31377453461 in words is "thirty-one billion, three hundred seventy-seven million, four hundred fifty-three thousand, four hundred sixty-one".