31377227372 has 24 divisors (see below), whose sum is σ = 55593753600. Its totient is φ = 15493448016.

The previous prime is 31377227359. The next prime is 31377227377. The reversal of 31377227372 is 27372277313.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31377227377) 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, 885329 + ... + 920087.

It is an arithmetic number, because the mean of its divisors is an integer number (2316406400).

Almost surely, 2^31377227372 is an apocalyptic number.

It is an amenable number.

31377227372 is a deficient number, since it is larger than the sum of its proper divisors (24216526228).

31377227372 is a wasteful number, since it uses less digits than its factorization.

31377227372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37565 (or 37563 counting only the distinct ones).

The product of its digits is 518616, while the sum is 44.

The spelling of 31377227372 in words is "thirty-one billion, three hundred seventy-seven million, two hundred twenty-seven thousand, three hundred seventy-two".