31377034071 has 28 divisors (see below), whose sum is σ = 47061301000. Its totient is φ = 20910344400.

The previous prime is 31377034057. The next prime is 31377034099. The reversal of 31377034071 is 17043077313.

It is a happy number.

It is not a de Polignac number, because 31377034071 - 2¹⁰ = 31377033047 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 (31377034571) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2544621 + ... + 2556921.

It is an arithmetic number, because the mean of its divisors is an integer number (1680760750).

Almost surely, 2^31377034071 is an apocalyptic number.

31377034071 is a deficient number, since it is larger than the sum of its proper divisors (15684266929).

31377034071 is an equidigital number, since it uses as much as digits as its factorization.

31377034071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15818 (or 15803 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 36.

The spelling of 31377034071 in words is "thirty-one billion, three hundred seventy-seven million, thirty-four thousand, seventy-one".