2231465031 has 20 divisors (see below), whose sum is σ = 3347283984. Its totient is φ = 1481457600.

The previous prime is 2231465023. The next prime is 2231465039. The reversal of 2231465031 is 1305641322.

2231465031 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 4 + 650 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (2231465023) and next prime (2231465039).

It is not a de Polignac number, because 2231465031 - 2³ = 2231465023 is a prime.

It is a super-3 number, since 3×2231465031³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2231464986 and 2231465004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231465039) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37635 + ... + 76676.

Almost surely, 2^2231465031 is an apocalyptic number.

2231465031 is a deficient number, since it is larger than the sum of its proper divisors (1115818953).

2231465031 is a wasteful number, since it uses less digits than its factorization.

2231465031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114564 (or 114555 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2231465031 is about 47238.3851438637. The cubic root of 2231465031 is about 1306.7625964802.

The spelling of 2231465031 in words is "two billion, two hundred thirty-one million, four hundred sixty-five thousand, thirty-one".