31340100142 has 32 divisors (see below), whose sum is σ = 51640767360. Its totient is φ = 14176308960.

The previous prime is 31340100137. The next prime is 31340100179. The reversal of 31340100142 is 24100104313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476893 + ... + 538615.

It is an arithmetic number, because the mean of its divisors is an integer number (1613773980).

Almost surely, 2^31340100142 is an apocalyptic number.

31340100142 is a deficient number, since it is larger than the sum of its proper divisors (20300667218).

31340100142 is a wasteful number, since it uses less digits than its factorization.

31340100142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62128.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31340100142 its reverse (24100104313), we get a palindrome (55440204455).

The spelling of 31340100142 in words is "thirty-one billion, three hundred forty million, one hundred thousand, one hundred forty-two".