1231032021234 has 32 divisors (see below), whose sum is σ = 2569635066240. Its totient is φ = 392422791552.

The previous prime is 1231032021229. The next prime is 1231032021239. The reversal of 1231032021234 is 4321202301321.

It is an interprime number because it is at equal distance from previous prime (1231032021229) and next prime (1231032021239).

It is not an unprimeable number, because it can be changed into a prime (1231032021239) 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, 231147 + ... + 1586030.

It is an arithmetic number, because the mean of its divisors is an integer number (80301095820).

Almost surely, 2^{1231032021234} is an apocalyptic number.

1231032021234 is an abundant number, since it is smaller than the sum of its proper divisors (1338603045006).

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

1231032021234 is a wasteful number, since it uses less digits than its factorization.

1231032021234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822114.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1231032021234 its reverse (4321202301321), we get a palindrome (5552234322555).

The spelling of 1231032021234 in words is "one trillion, two hundred thirty-one billion, thirty-two million, twenty-one thousand, two hundred thirty-four".