31030114140 has 72 divisors (see below), whose sum is σ = 94957703568. Its totient is φ = 8201464320.

The previous prime is 31030114139. The next prime is 31030114163. The reversal of 31030114140 is 4141103013.

31030114140 is a `hidden beast` number, since 310 + 301 + 14 + 1 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 742446 + ... + 783125.

It is an arithmetic number, because the mean of its divisors is an integer number (1318856994).

Almost surely, 2^31030114140 is an apocalyptic number.

31030114140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31030114140 is an abundant number, since it is smaller than the sum of its proper divisors (63927589428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31030114140 is a wasteful number, since it uses less digits than its factorization.

31030114140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525699 (or 1525694 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31030114140 its reverse (4141103013), we get a palindrome (35171217153).

The spelling of 31030114140 in words is "thirty-one billion, thirty million, one hundred fourteen thousand, one hundred forty".