1231534430150 has 24 divisors (see below), whose sum is σ = 2293921800144. Its totient is φ = 491911028000.

The previous prime is 1231534430149. The next prime is 1231534430167. The reversal of 1231534430150 is 510344351321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17533202 + ... + 17603301.

It is an arithmetic number, because the mean of its divisors is an integer number (95580075006).

Almost surely, 2^{1231534430150} is an apocalyptic number.

1231534430150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231534430150 is a deficient number, since it is larger than the sum of its proper divisors (1062387369994).

1231534430150 is a wasteful number, since it uses less digits than its factorization.

1231534430150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35137216 (or 35137211 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 1231534430150 its reverse (510344351321), we get a palindrome (1741878781471).

The spelling of 1231534430150 in words is "one trillion, two hundred thirty-one billion, five hundred thirty-four million, four hundred thirty thousand, one hundred fifty".