151193031 has 32 divisors (see below), whose sum is σ = 229920768. Its totient is φ = 87558240.

The previous prime is 151193023. The next prime is 151193039. The reversal of 151193031 is 130391151.

It is an interprime number because it is at equal distance from previous prime (151193023) and next prime (151193039).

It is not a de Polignac number, because 151193031 - 2³ = 151193023 is a prime.

It is a super-2 number, since 2×151193031² = 45718665245933922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151192992 and 151193010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151193039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65560 + ... + 67826.

It is an arithmetic number, because the mean of its divisors is an integer number (7185024).

Almost surely, 2^151193031 is an apocalyptic number.

151193031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

151193031 is a deficient number, since it is larger than the sum of its proper divisors (78727737).

151193031 is a wasteful number, since it uses less digits than its factorization.

151193031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371.

The product of its (nonzero) digits is 405, while the sum is 24.

The square root of 151193031 is about 12296.0575389025. The cubic root of 151193031 is about 532.7342159952.

The spelling of 151193031 in words is "one hundred fifty-one million, one hundred ninety-three thousand, thirty-one".