1231451041332 has 96 divisors (see below), whose sum is σ = 3011733365760. Its totient is φ = 391267480320.

The previous prime is 1231451041321. The next prime is 1231451041361. The reversal of 1231451041332 is 2331401541321.

It is a self number, because there is not a number n which added to its sum of digits gives 1231451041332.

It is a congruent number.

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, 4601433 + ... + 4861695.

It is an arithmetic number, because the mean of its divisors is an integer number (31372222560).

Almost surely, 2^{1231451041332} is an apocalyptic number.

1231451041332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231451041332 is an abundant number, since it is smaller than the sum of its proper divisors (1780282324428).

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

1231451041332 is a wasteful number, since it uses less digits than its factorization.

1231451041332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260533 (or 260531 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 1231451041332 its reverse (2331401541321), we get a palindrome (3562852582653).

The spelling of 1231451041332 in words is "one trillion, two hundred thirty-one billion, four hundred fifty-one million, forty-one thousand, three hundred thirty-two".