31463543142 has 24 divisors (see below), whose sum is σ = 69033937440. Its totient is φ = 10355089680.

The previous prime is 31463543141. The next prime is 31463543171. The reversal of 31463543142 is 24134536413.

31463543142 is a `hidden beast` number, since 3 + 1 + 4 + 635 + 4 + 3 + 14 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31463543097 and 31463543106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31463543141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11061709 + ... + 11064552.

It is an arithmetic number, because the mean of its divisors is an integer number (2876414060).

Almost surely, 2^31463543142 is an apocalyptic number.

31463543142 is an abundant number, since it is smaller than the sum of its proper divisors (37570394298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31463543142 is a wasteful number, since it uses less digits than its factorization.

31463543142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22126348 (or 22126345 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The spelling of 31463543142 in words is "thirty-one billion, four hundred sixty-three million, five hundred forty-three thousand, one hundred forty-two".