31052420342 has 4 divisors (see below), whose sum is σ = 46578630516. Its totient is φ = 15526210170.

The previous prime is 31052420341. The next prime is 31052420353. The reversal of 31052420342 is 24302425013.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31052420341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7763105084 + ... + 7763105087.

It is an arithmetic number, because the mean of its divisors is an integer number (11644657629).

Almost surely, 2^31052420342 is an apocalyptic number.

31052420342 is a deficient number, since it is larger than the sum of its proper divisors (15526210174).

31052420342 is a wasteful number, since it uses less digits than its factorization.

31052420342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15526210173.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 31052420342 its reverse (24302425013), we get a palindrome (55354845355).

The spelling of 31052420342 in words is "thirty-one billion, fifty-two million, four hundred twenty thousand, three hundred forty-two".