31032477242 has 16 divisors (see below), whose sum is σ = 50144217480. Its totient is φ = 14318444352.

The previous prime is 31032477227. The next prime is 31032477251. The reversal of 31032477242 is 24277423013.

It can be written as a sum of positive squares in 4 ways, for example, as 30464560681 + 567916561 = 174541^2 + 23831^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86117 + ... + 263592.

Almost surely, 2^31032477242 is an apocalyptic number.

31032477242 is a deficient number, since it is larger than the sum of its proper divisors (19111740238).

31032477242 is a wasteful number, since it uses less digits than its factorization.

31032477242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353137.

The product of its (nonzero) digits is 56448, while the sum is 35.

The spelling of 31032477242 in words is "thirty-one billion, thirty-two million, four hundred seventy-seven thousand, two hundred forty-two".