140978231031 has 8 divisors (see below), whose sum is σ = 205059245184. Its totient is φ = 85441352120.

The previous prime is 140978231029. The next prime is 140978231047. The reversal of 140978231031 is 130132879041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140978231031 - 2¹ = 140978231029 is a prime.

It is a super-2 number, since 2×140978231031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140978231011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2136033771 + ... + 2136033836.

It is an arithmetic number, because the mean of its divisors is an integer number (25632405648).

Almost surely, 2^140978231031 is an apocalyptic number.

140978231031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140978231031 is a deficient number, since it is larger than the sum of its proper divisors (64081014153).

140978231031 is a wasteful number, since it uses less digits than its factorization.

140978231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272067621.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 140978231031 in words is "one hundred forty billion, nine hundred seventy-eight million, two hundred thirty-one thousand, thirty-one".