231542033103120 has 160 divisors (see below), whose sum is σ = 719365624510464. Its totient is φ = 61608183436800.

The previous prime is 231542033103077. The next prime is 231542033103133. The reversal of 231542033103120 is 21301330245132.

It is a super-2 number, since 2×231542033103120² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3174773055 + ... + 3174845985.

Almost surely, 2^{231542033103120} is an apocalyptic number.

231542033103120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231542033103120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359682812255232).

231542033103120 is an abundant number, since it is smaller than the sum of its proper divisors (487823591407344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231542033103120 is a wasteful number, since it uses less digits than its factorization.

231542033103120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101981 (or 101975 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 231542033103120 its reverse (21301330245132), we get a palindrome (252843363348252).

The spelling of 231542033103120 in words is "two hundred thirty-one trillion, five hundred forty-two billion, thirty-three million, one hundred three thousand, one hundred twenty".