31146437283412 has 48 divisors (see below), whose sum is σ = 60500524976640. Its totient is φ = 13910304696800.

The previous prime is 31146437283341. The next prime is 31146437283413. The reversal of 31146437283412 is 21438273464113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31146437283413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1906233 + ... + 8119519.

It is an arithmetic number, because the mean of its divisors is an integer number (1260427603680).

Almost surely, 2^{31146437283412} is an apocalyptic number.

It is an amenable number.

31146437283412 is a deficient number, since it is larger than the sum of its proper divisors (29354087693228).

31146437283412 is a wasteful number, since it uses less digits than its factorization.

31146437283412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6215292 (or 6215290 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 49.

The spelling of 31146437283412 in words is "thirty-one trillion, one hundred forty-six billion, four hundred thirty-seven million, two hundred eighty-three thousand, four hundred twelve".