153231440040031 has 8 divisors (see below), whose sum is σ = 155487176833520. Its totient is φ = 150989499802368.

The previous prime is 153231440040023. The next prime is 153231440040047. The reversal of 153231440040031 is 130040044132351.

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 153231440040031 - 2³ = 153231440040023 is a prime.

It is a super-2 number, since 2×153231440040031² (a number of 29 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 = 153231440039975 and 153231440040002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153231440040131) 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, 3449116581 + ... + 3449161006.

It is an arithmetic number, because the mean of its divisors is an integer number (19435897104190).

Almost surely, 2^{153231440040031} is an apocalyptic number.

153231440040031 is a deficient number, since it is larger than the sum of its proper divisors (2255736793489).

153231440040031 is an equidigital number, since it uses as much as digits as its factorization.

153231440040031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6898277913.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 153231440040031 its reverse (130040044132351), we get a palindrome (283271484172382).

The spelling of 153231440040031 in words is "one hundred fifty-three trillion, two hundred thirty-one billion, four hundred forty million, forty thousand, thirty-one".