31033013342 has 4 divisors (see below), whose sum is σ = 46549520016. Its totient is φ = 15516506670.

The previous prime is 31033013299. The next prime is 31033013437. The reversal of 31033013342 is 24331033013.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7758253334 + ... + 7758253337.

It is an arithmetic number, because the mean of its divisors is an integer number (11637380004).

Almost surely, 2^31033013342 is an apocalyptic number.

31033013342 is a deficient number, since it is larger than the sum of its proper divisors (15516506674).

31033013342 is a wasteful number, since it uses less digits than its factorization.

31033013342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15516506673.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31033013342 its reverse (24331033013), we get a palindrome (55364046355).

The spelling of 31033013342 in words is "thirty-one billion, thirty-three million, thirteen thousand, three hundred forty-two".