231513452251454 has 4 divisors (see below), whose sum is σ = 347270178377184. Its totient is φ = 115756726125726.

The previous prime is 231513452251399. The next prime is 231513452251463. The reversal of 231513452251454 is 454152254315132.

231513452251454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×231513452251454² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231513452251399 and 231513452251408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57878363062862 + ... + 57878363062865.

It is an arithmetic number, because the mean of its divisors is an integer number (86817544594296).

Almost surely, 2^{231513452251454} is an apocalyptic number.

231513452251454 is a deficient number, since it is larger than the sum of its proper divisors (115756726125730).

231513452251454 is a wasteful number, since it uses less digits than its factorization.

231513452251454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115756726125729.

The product of its digits is 2880000, while the sum is 47.

The spelling of 231513452251454 in words is "two hundred thirty-one trillion, five hundred thirteen billion, four hundred fifty-two million, two hundred fifty-one thousand, four hundred fifty-four".