1231023101332 has 6 divisors (see below), whose sum is σ = 2154290427338. Its totient is φ = 615511550664.

The previous prime is 1231023101323. The next prime is 1231023101359. The reversal of 1231023101332 is 2331013201321.

It can be written as a sum of positive squares in only one way, i.e., 1203878561796 + 27144539536 = 1097214^2 + 164756^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153877887663 + ... + 153877887670.

Almost surely, 2^{1231023101332} is an apocalyptic number.

It is an amenable number.

1231023101332 is a deficient number, since it is larger than the sum of its proper divisors (923267326006).

1231023101332 is a wasteful number, since it uses less digits than its factorization.

1231023101332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307755775337 (or 307755775335 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1231023101332 its reverse (2331013201321), we get a palindrome (3562036302653).

The spelling of 1231023101332 in words is "one trillion, two hundred thirty-one billion, twenty-three million, one hundred one thousand, three hundred thirty-two".