31301506142 has 4 divisors (see below), whose sum is σ = 46952259216. Its totient is φ = 15650753070.

The previous prime is 31301506133. The next prime is 31301506151. The reversal of 31301506142 is 24160510313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24160510313 = 17 ⋅1421206489.

It is an interprime number because it is at equal distance from previous prime (31301506133) and next prime (31301506151).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7825376534 + ... + 7825376537.

It is an arithmetic number, because the mean of its divisors is an integer number (11738064804).

Almost surely, 2^31301506142 is an apocalyptic number.

31301506142 is a deficient number, since it is larger than the sum of its proper divisors (15650753074).

31301506142 is a wasteful number, since it uses less digits than its factorization.

31301506142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15650753073.

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 31301506142 in words is "thirty-one billion, three hundred one million, five hundred six thousand, one hundred forty-two".