31004232442 has 8 divisors (see below), whose sum is σ = 46845811476. Its totient is φ = 15388961952.

The previous prime is 31004232421. The next prime is 31004232503. The reversal of 31004232442 is 24423240013.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28311764121 + 2692468321 = 168261^2 + 51889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31004232442² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56576793 + ... + 56577340.

Almost surely, 2^31004232442 is an apocalyptic number.

31004232442 is a deficient number, since it is larger than the sum of its proper divisors (15841579034).

31004232442 is a wasteful number, since it uses less digits than its factorization.

31004232442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113154272.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 31004232442 its reverse (24423240013), we get a palindrome (55427472455).

The spelling of 31004232442 in words is "thirty-one billion, four million, two hundred thirty-two thousand, four hundred forty-two".