31654062442 has 4 divisors (see below), whose sum is σ = 47481093666. Its totient is φ = 15827031220.

The previous prime is 31654062403. The next prime is 31654062449. The reversal of 31654062442 is 24426045613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23747118201 + 7906944241 = 154101^2 + 88921^2 .

It is not an unprimeable number, because it can be changed into a prime (31654062449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7913515609 + ... + 7913515612.

Almost surely, 2^31654062442 is an apocalyptic number.

31654062442 is a deficient number, since it is larger than the sum of its proper divisors (15827031224).

31654062442 is a wasteful number, since it uses less digits than its factorization.

31654062442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15827031223.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 31654062442 in words is "thirty-one billion, six hundred fifty-four million, sixty-two thousand, four hundred forty-two".