120135915031 has 8 divisors (see below), whose sum is σ = 131105952000. Its totient is φ = 109173976440.

The previous prime is 120135915013. The next prime is 120135915037. The reversal of 120135915031 is 130519531021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120135915031 is a prime.

It is a super-2 number, since 2×120135915031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120135914984 and 120135915002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120135915037) 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, 1993551 + ... + 2052928.

It is an arithmetic number, because the mean of its divisors is an integer number (16388244000).

Almost surely, 2^120135915031 is an apocalyptic number.

120135915031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120135915031 is a deficient number, since it is larger than the sum of its proper divisors (10970036969).

120135915031 is a wasteful number, since it uses less digits than its factorization.

120135915031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049189.

The product of its (nonzero) digits is 4050, while the sum is 31.

The spelling of 120135915031 in words is "one hundred twenty billion, one hundred thirty-five million, nine hundred fifteen thousand, thirty-one".