1343202231 has 32 divisors (see below), whose sum is σ = 2193527808. Its totient is φ = 714320640.

The previous prime is 1343202191. The next prime is 1343202239. The reversal of 1343202231 is 1322023431.

It is not a de Polignac number, because 1343202231 - 2⁶ = 1343202167 is a prime.

It is a super-2 number, since 2×1343202231² = 3608384466726754722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1343202198 and 1343202207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343202239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19710 + ... + 55451.

It is an arithmetic number, because the mean of its divisors is an integer number (68547744).

Almost surely, 2^1343202231 is an apocalyptic number.

1343202231 is a deficient number, since it is larger than the sum of its proper divisors (850325577).

1343202231 is a wasteful number, since it uses less digits than its factorization.

1343202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75231.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1343202231 is about 36649.7234778109. The cubic root of 1343202231 is about 1103.3512757300.

Adding to 1343202231 its reverse (1322023431), we get a palindrome (2665225662).

The spelling of 1343202231 in words is "one billion, three hundred forty-three million, two hundred two thousand, two hundred thirty-one".