231411151650 has 192 divisors, whose sum is σ = 677354146560. Its totient is φ = 51178521600.

The previous prime is 231411151649. The next prime is 231411151663. The reversal of 231411151650 is 56151114132.

It is a super-2 number, since 2×231411151650² (a number of 24 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 95 ways as a sum of consecutive naturals, for example, 7015396 + ... + 7048304.

It is an arithmetic number, because the mean of its divisors is an integer number (3527886180).

Almost surely, 2^231411151650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231411151650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338677073280).

231411151650 is an abundant number, since it is smaller than the sum of its proper divisors (445942994910).

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

231411151650 is a wasteful number, since it uses less digits than its factorization.

231411151650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33149 (or 33144 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 231411151650 its reverse (56151114132), we get a palindrome (287562265782).

The spelling of 231411151650 in words is "two hundred thirty-one billion, four hundred eleven million, one hundred fifty-one thousand, six hundred fifty".