4031693940157 has 32 divisors (see below), whose sum is σ = 4682790604800. Its totient is φ = 3439434115008.

The previous prime is 4031693940137. The next prime is 4031693940167. The reversal of 4031693940157 is 7510493961304.

It is a cyclic number.

It is not a de Polignac number, because 4031693940157 - 2²³ = 4031685551549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031693940137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2998344 + ... + 4129582.

It is an arithmetic number, because the mean of its divisors is an integer number (146337206400).

Almost surely, 2^{4031693940157} is an apocalyptic number.

4031693940157 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

4031693940157 is a deficient number, since it is larger than the sum of its proper divisors (651096664643).

4031693940157 is a wasteful number, since it uses less digits than its factorization.

4031693940157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131625.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 4031693940157 in words is "four trillion, thirty-one billion, six hundred ninety-three million, nine hundred forty thousand, one hundred fifty-seven".