231896457501 has 16 divisors (see below), whose sum is σ = 319869600960. Its totient is φ = 149260890240.

The previous prime is 231896457493. The next prime is 231896457503. The reversal of 231896457501 is 105754698132.

It is not a de Polignac number, because 231896457501 - 2³ = 231896457493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231896457503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4175646 + ... + 4230816.

It is an arithmetic number, because the mean of its divisors is an integer number (19991850060).

It is a 1-persistent number, because it is pandigital, but 2⋅231896457501 = 463792915002 is not.

Almost surely, 2^231896457501 is an apocalyptic number.

It is an amenable number.

231896457501 is a deficient number, since it is larger than the sum of its proper divisors (87973143459).

231896457501 is a wasteful number, since it uses less digits than its factorization.

231896457501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103516.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 231896457501 in words is "two hundred thirty-one billion, eight hundred ninety-six million, four hundred fifty-seven thousand, five hundred one".