1045402918231 has 4 divisors (see below), whose sum is σ = 1194746192272. Its totient is φ = 896059644192.

The previous prime is 1045402918213. The next prime is 1045402918283. The reversal of 1045402918231 is 1328192045401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1045402918231 - 2³¹ = 1043255434583 is a prime.

It is a super-2 number, since 2×1045402918231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045442918231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74671637010 + ... + 74671637023.

It is an arithmetic number, because the mean of its divisors is an integer number (298686548068).

Almost surely, 2^{1045402918231} is an apocalyptic number.

1045402918231 is a deficient number, since it is larger than the sum of its proper divisors (149343274041).

1045402918231 is an equidigital number, since it uses as much as digits as its factorization.

1045402918231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149343274040.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 1045402918231 in words is "one trillion, forty-five billion, four hundred two million, nine hundred eighteen thousand, two hundred thirty-one".