31294211948 has 48 divisors (see below), whose sum is σ = 58432926720. Its totient is φ = 14641473600.

The previous prime is 31294211911. The next prime is 31294211969. The reversal of 31294211948 is 84911249213.

It is a junction number, because it is equal to n+sod(n) for n = 31294211899 and 31294211908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411215 + ... + 481337.

It is an arithmetic number, because the mean of its divisors is an integer number (1217352640).

Almost surely, 2^31294211948 is an apocalyptic number.

It is an amenable number.

31294211948 is a deficient number, since it is larger than the sum of its proper divisors (27138714772).

31294211948 is a wasteful number, since it uses less digits than its factorization.

31294211948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70278 (or 70276 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The spelling of 31294211948 in words is "thirty-one billion, two hundred ninety-four million, two hundred eleven thousand, nine hundred forty-eight".