1213754231 has 2 divisors, whose sum is σ = 1213754232. Its totient is φ = 1213754230.

The previous prime is 1213754189. The next prime is 1213754291. The reversal of 1213754231 is 1324573121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213754231 - 2⁶ = 1213754167 is a prime.

It is a super-2 number, since 2×1213754231² = 2946398666540802722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213754194 and 1213754203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213754291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606877115 + 606877116.

It is an arithmetic number, because the mean of its divisors is an integer number (606877116).

Almost surely, 2^1213754231 is an apocalyptic number.

1213754231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213754231 is an equidigital number, since it uses as much as digits as its factorization.

1213754231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 1213754231 is about 34838.9757455640. The cubic root of 1213754231 is about 1066.7031697252.

The spelling of 1213754231 in words is "one billion, two hundred thirteen million, seven hundred fifty-four thousand, two hundred thirty-one".