1283512461231 has 64 divisors (see below), whose sum is σ = 2325440839680. Its totient is φ = 608055085440.

The previous prime is 1283512461181. The next prime is 1283512461307. The reversal of 1283512461231 is 1321642153821.

It is not a de Polignac number, because 1283512461231 - 2⁶ = 1283512461167 is a prime.

It is a super-2 number, since 2×1283512461231² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1283512461231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283512461431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2325511 + ... + 2824008.

It is an arithmetic number, because the mean of its divisors is an integer number (36335013120).

Almost surely, 2^{1283512461231} is an apocalyptic number.

1283512461231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1283512461231 is a deficient number, since it is larger than the sum of its proper divisors (1041928378449).

1283512461231 is a wasteful number, since it uses less digits than its factorization.

1283512461231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149636.

The product of its digits is 69120, while the sum is 39.

The spelling of 1283512461231 in words is "one trillion, two hundred eighty-three billion, five hundred twelve million, four hundred sixty-one thousand, two hundred thirty-one".