102253731 has 8 divisors (see below), whose sum is σ = 136405584. Its totient is φ = 68135520.

The previous prime is 102253721. The next prime is 102253733. The reversal of 102253731 is 137352201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102253731 - 2⁹ = 102253219 is a prime.

It is a super-2 number, since 2×102253731² = 20911651006840722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102253733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160 + ... + 14301.

It is an arithmetic number, because the mean of its divisors is an integer number (17050698).

Almost surely, 2^102253731 is an apocalyptic number.

102253731 is a deficient number, since it is larger than the sum of its proper divisors (34151853).

102253731 is a wasteful number, since it uses less digits than its factorization.

102253731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16821.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 102253731 is about 10112.0586924721. The cubic root of 102253731 is about 467.6199751180.

The spelling of 102253731 in words is "one hundred two million, two hundred fifty-three thousand, seven hundred thirty-one".