1312203153 has 8 divisors (see below), whose sum is σ = 1825674048. Its totient is φ = 836767184.

The previous prime is 1312203143. The next prime is 1312203161. The reversal of 1312203153 is 3513022131.

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

It is a cyclic number.

It is not a de Polignac number, because 1312203153 - 2⁸ = 1312202897 is a prime.

It is a super-2 number, since 2×1312203153² = 3443754229486282818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312203143) 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, 9508650 + ... + 9508787.

It is an arithmetic number, because the mean of its divisors is an integer number (228209256).

Almost surely, 2^1312203153 is an apocalyptic number.

It is an amenable number.

1312203153 is a deficient number, since it is larger than the sum of its proper divisors (513470895).

1312203153 is a wasteful number, since it uses less digits than its factorization.

1312203153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19017463.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1312203153 is about 36224.3447559787. The cubic root of 1312203153 is about 1094.7972360742.

Adding to 1312203153 its reverse (3513022131), we get a palindrome (4825225284).

The spelling of 1312203153 in words is "one billion, three hundred twelve million, two hundred three thousand, one hundred fifty-three".