31362355142 has 4 divisors (see below), whose sum is σ = 47043532716. Its totient is φ = 15681177570.

The previous prime is 31362355093. The next prime is 31362355253. The reversal of 31362355142 is 24155326313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24155326313 = 73 ⋅330894881.

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, 7840588784 + ... + 7840588787.

It is an arithmetic number, because the mean of its divisors is an integer number (11760883179).

Almost surely, 2^31362355142 is an apocalyptic number.

31362355142 is a deficient number, since it is larger than the sum of its proper divisors (15681177574).

31362355142 is a wasteful number, since it uses less digits than its factorization.

31362355142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15681177573.

The product of its digits is 64800, while the sum is 35.

The spelling of 31362355142 in words is "thirty-one billion, three hundred sixty-two million, three hundred fifty-five thousand, one hundred forty-two".