231702030 has 48 divisors (see below), whose sum is σ = 688487904. Its totient is φ = 52960320.

The previous prime is 231702011. The next prime is 231702047. The reversal of 231702030 is 30207132.

It is a super-2 number, since 2×231702030² = 107371661412241800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 231701994 and 231702012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183261 + ... + 184520.

It is an arithmetic number, because the mean of its divisors is an integer number (14343498).

Almost surely, 2^231702030 is an apocalyptic number.

231702030 is an abundant number, since it is smaller than the sum of its proper divisors (456785874).

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

231702030 is a wasteful number, since it uses less digits than its factorization.

231702030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367801 (or 367798 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 231702030 is about 15221.7617245837. The cubic root of 231702030 is about 614.2001897210.

Adding to 231702030 its reverse (30207132), we get a palindrome (261909162).

It can be divided in two parts, 23170 and 2030, that added together give a triangular number (25200 = T₂₂₄).

The spelling of 231702030 in words is "two hundred thirty-one million, seven hundred two thousand, thirty".