31000101120142 has 128 divisors (see below), whose sum is σ = 59478528365568. Its totient is φ = 11769388646400.

The previous prime is 31000101120133. The next prime is 31000101120143. The reversal of 31000101120142 is 24102110100013.

It is a super-2 number, since 2×31000101120142² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31000101120143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 324924798 + ... + 325020190.

It is an arithmetic number, because the mean of its divisors is an integer number (464676002856).

Almost surely, 2^{31000101120142} is an apocalyptic number.

31000101120142 is a deficient number, since it is larger than the sum of its proper divisors (28478427245426).

31000101120142 is a wasteful number, since it uses less digits than its factorization.

31000101120142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95834.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 31000101120142 its reverse (24102110100013), we get a palindrome (55102211220155).

The spelling of 31000101120142 in words is "thirty-one trillion, one hundred one million, one hundred twenty thousand, one hundred forty-two".